<?php
	/**
	 * Simple utility class, with which you can measure time periods.
	 * @author IMP
	 */
	
	class Timer {
		private static $time = 0;
		
		public static function startTimer(){
			self::$time = microtime(true);
		}
		
		public static function getDifference(){
			return microtime(true) - self::$time;
		}
	}
?>